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Question

Difficulty: EasySpeed Control and Following Distance

According to the Basic Speed Law, what speed is considered safe and lawful when driving in hazardous conditions such as heavy rain or dense fog?

  1. A speed no faster than is reasonable and prudent for the current conditions, regardless of the posted speed limit.Answer
  2. B
    The exact posted speed limit, provided hazard warning lights are activated.
  3. C
    Five miles per hour above the posted speed limit to maintain traffic flow.
  4. D
    The maximum posted speed limit, as long as the vehicle remains in the far-right lane.

Answer

A speed no faster than is reasonable and prudent for the current conditions, regardless of the posted speed limit.
Under the Basic Speed Law, drivers must never operate a vehicle at a speed greater than is reasonable or prudent given weather, visibility, traffic, and roadway conditions. Posted limits are intended for ideal driving conditions.

Step-by-Step Solution

1
Identify the primary traffic safety rule governing speed selection under adverse conditions.
Recognize the Basic Speed Law requirements.
The Basic Speed Law dictates that numerical speed limits apply to ideal conditions.
2
Evaluate the effect of severe weather hazards (heavy rain or dense fog) on driving safety.
Determine that reduced traction and lower visibility require lowering vehicle speed.
Safe stopping distance increases significantly on wet roads or when visibility is degraded.
3
Select the choice that correctly states the driver's legal responsibility under the Basic Speed Law.
Match the requirement to adjust speed based on reasonable and prudent driving judgment.
Driving at posted limits during severe weather can result in a traffic citation for unsafe speed.

Key Concept

Basic Speed Law Compliance
Estimated Time:45s
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Topics

Speed Control and Following Distance

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